9 Questions
Which of the following best describes empyema?
Accumulation of pus in the pleural cavity
What is the primary etiology of empyema according to the text?
Infection originating from the lungs
Which of the following is NOT a common route of infection for empyema?
Hematogenous spread from a distant infection site
What is the significance of LDH levels in diagnosing empyema?
Pleural fluid LDH > 2⁄3 the upper limit of normal serum LDH suggests empyema
Which of the following is a possible cause of empyema according to the text?
Liver abscess
What is the role of deep cervical infections in the development of empyema?
They contribute to local spread resulting in empyema
Which procedure might lead to direct access into the pleural cavity and potentially cause empyema?
Chest tube insertion
What distinguishes a transudative effusion from an exudative effusion?
< 45 mg/dL effusion cholesterol for transudative, > 200 U/L effusion cholesterol for exudative
'Very high LDH levels, e.g., > 1000 U/L, suggest' what according to the text?
'Empyema'
Learn about the accumulation of non-sterile fluid in the pleural cavity known as empyema, its causes, and routes of infection. Understand how empyema is usually a result of an infectious process in neighboring organs, primarily the lungs.
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